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The patent EP2751612 was granted to Crosby on Mar 24, 2021. The application was filed on Sep 3, 2012 under application number EP12770188A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ADLENS | Nov 17, 2021 | ABEL & IMRAY | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3305294 |
| DESCRIPTION | US3583790 |
| DESCRIPTION | US5644374 |
| DESCRIPTION | US7338159 |
| DESCRIPTION | US7717552 |
| INTERNATIONAL-SEARCH-REPORT | US2006209431 |
| INTERNATIONAL-SEARCH-REPORT | US2007030440 |
| INTERNATIONAL-SEARCH-REPORT | US2008151184 |
| INTERNATIONAL-SEARCH-REPORT | US7841715 |
| OPPOSITION | EP0578833 |
| OPPOSITION | US3305294 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Jan 26, 2021
(Electronic) Receipt
Search/Exam
Jan 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2021
Jan 21, 2021
Decision to grant a European patent
Search/Exam
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Filing of the translations of the claims
Search/Exam
Dec 22, 2020
French translation of claims
Search/Exam
Dec 22, 2020
German translation of the claims
Search/Exam
Dec 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2020
Aug 13, 2020
Aug 13, 2020
Intention to grant (signatures)
Search/Exam
Aug 13, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 13, 2020
Jan 21, 2020
(Electronic) Receipt
Search/Exam
Jan 21, 2020
Amended claims with annotations
Search/Exam
Jan 21, 2020
Amended description with annotations
Search/Exam
Jan 21, 2020
Claims
Search/Exam
Jan 21, 2020
Description
Search/Exam
Jan 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2020
Nov 25, 2019
Nov 19, 2019
(Electronic) Receipt
Search/Exam
Nov 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2019
Oct 21, 2019
Submission concerning representation
Search/Exam
Jul 11, 2019
Annex to the communication
Search/Exam
Jul 11, 2019
Communication from the Examining Division
Search/Exam
Jun 21, 2019
Examination started
Search/Exam
Mar 14, 2019
Mar 11, 2019
Submission concerning representation
Search/Exam
Jul 3, 2018
Submission concerning representation
Search/Exam
Oct 23, 2014
(Electronic) Receipt
Search/Exam
Oct 23, 2014
Oct 23, 2014
Amended claims with annotations
Search/Exam
Oct 23, 2014
Oct 23, 2014
Amended description with annotations
Search/Exam
Oct 23, 2014
Amendments received before examination
Search/Exam
Oct 23, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2014
Oct 9, 2014
(Electronic) Receipt
Search/Exam
Oct 9, 2014
Annexes in respect of a client data request
Search/Exam
Oct 9, 2014
Annexes in respect of a client data request
Search/Exam
Oct 9, 2014
Annexes in respect of a client data request
Search/Exam
Oct 9, 2014
Annexes in respect of a client data request
Search/Exam
Oct 9, 2014
Annexes in respect of a client data request
Search/Exam
Oct 9, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2014
Sep 29, 2014
Sep 29, 2014
Sep 29, 2014
Sep 29, 2014
Aug 19, 2014
(Electronic) Receipt
Search/Exam
Aug 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2014
Letter concerning the inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 8, 2014
Jul 31, 2014
(Electronic) Receipt
Search/Exam
Jul 31, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2014
Letter concerning the inventor
Search/Exam
Jul 17, 2014
Letter which had not been notified
Search/Exam
Jun 12, 2014
Apr 17, 2014
Apr 4, 2014
Communication to designated inventor
Search/Exam
Apr 4, 2014
Communication to designated inventor
Search/Exam
Apr 4, 2014
Communication to designated inventor
Search/Exam
Apr 4, 2014
Communication to designated inventor
Search/Exam
Apr 2, 2014
Mar 18, 2014
(Electronic) Receipt
Search/Exam
Mar 18, 2014
Mar 18, 2014
Request for entry into the European phase
Search/Exam
Jan 10, 2014
Information on entry into European phase
Search/Exam
Mar 27, 2013
Mar 7, 2013
Copy of the international search report
Search/Exam
Mar 7, 2013
Published international application - A1
Search/Exam
Dec 18, 2012
Dec 18, 2012
Dec 18, 2012
Nov 26, 2012
Sep 7, 2012
Abstract
PCTISA
Sep 7, 2012
Claims
PCTISA
Sep 7, 2012
Description
PCTISA
Sep 7, 2012
Drawings
PCTISA